package cn.edu.gznu.wecampus.core.web.annotation;

import org.springframework.core.MethodParameter;
import org.springframework.web.bind.support.WebDataBinderFactory;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.method.support.ModelAndViewContainer;

import cn.edu.gznu.wecampus.core.utils.AuthUtils;

public class CurrentUserHandlerMethodArgumentResolver implements HandlerMethodArgumentResolver {

	@Override
	public boolean supportsParameter(MethodParameter parameter) {
		if (parameter.hasParameterAnnotation(CurrentUser.class)) {
			return true;
		}
		return false;
	}

	@Override
	public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
			NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {
		//CurrentUser currentUserAnnotation = parameter.getParameterAnnotation(CurrentUser.class);
		return AuthUtils.getUserId();
	}

}
